A735-01-860 Issue A
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Connection for serial control and monitoring
3.6 Operating the nXDS pump
3.6.1 Start the pump
To start the pump, send the following command over the serial communications link:
The reply you receive will be in the following format:
The pump will then accelerate up to the target speed and the green run LED will flash whilst it is doing so. When the
pump reaches its target speed, the green run LED will remain illuminated.
3.6.2 Standby speed
To run the nXDS pump at standby speed, send the following command over the serial communications link:
The reply you receive will be as follows:
If the pump is currently below standby speed then it will accelerate until it reaches standby speed. If it is running
faster than standby speed, it will decelerate until standby speed is reached.
To return the pump to full speed, send the following command:
The reply you receive will be as follows:
3.6.3 Stop the pump
To stop the nXDS pump, send the following command over the serial communications link:
The reply you receive will be in the following format:
On successful receipt of the stop command, the pump will decelerate to rest.
Command ! C 8 0 2sp1cr
Reply *
C 8 0 2sp rcr
Command !
C 8 0 3sp1cr
Reply * C 8 0 3sp rcr
Command ! C 8 0 3sp0cr
Reply *
C 8 0 3sp rcr
Command !
C 8 0 2sp0cr
Reply * C 8 0 2sp rcr
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